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廣西北海精密鋼管

廣西紀濤金屬材料有限(xian)公(gong)(gong)司(si)(si)(si)常年經(jing)營(ying)無(wu)縫鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、鍍(du)鋅鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、不(bu)(bu)銹鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan),不(bu)(bu)銹鋼(gang)(gang)(gang)(gang)板,螺(luo)旋鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、合(he)金鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、鍋爐管(guan)(guan)(guan)、精密鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、鍍(du)鋅方管(guan)(guan)(guan)角(jiao)鋼(gang)(gang)(gang)(gang),槽鋼(gang)(gang)(gang)(gang),扁鋼(gang)(gang)(gang)(gang)。本公(gong)(gong)司(si)(si)(si)多年來以(yi)(yi)(yi)(yi)良好(hao)的(de)(de)(de)信譽、優(you)質(zhi)的(de)(de)(de)產(chan)(chan)(chan)品(pin)、雄厚(hou)的(de)(de)(de)實(shi)(shi)力(li)、低廉的(de)(de)(de)價(jia)格(ge)(ge)享譽大(da)江(jiang)南(nan)北(bei)。在長期的(de)(de)(de)經(jing)營(ying)業(ye)務中與各大(da)鋼(gang)(gang)(gang)(gang)廠(chang)建立了(le)長期穩(wen)固的(de)(de)(de)業(ye)務合(he)作(zuo)關系,成為成都、冶鋼(gang)(gang)(gang)(gang)、四(si)川長城、山西太鋼(gang)(gang)(gang)(gang)、廣州聯眾、上海寶(bao)鋼(gang)(gang)(gang)(gang)、北(bei)京首鋼(gang)(gang)(gang)(gang)、吉林(lin)通鋼(gang)(gang)(gang)(gang),天(tian)津鋼(gang)(gang)(gang)(gang)廠(chang)的(de)(de)(de)代理商之一(yi),榮獲蘭(lan)格(ge)(ge)鋼(gang)(gang)(gang)(gang)鐵(tie)網(wang)2006年度(du)(du)(du)柳(liu)州地(di)區鋼(gang)(gang)(gang)(gang)材營(ying)銷(xiao)誠(cheng)信企(qi)業(ye)。本公(gong)(gong)司(si)(si)(si)常年備有四(si)萬余噸(dun)庫存,上千種(zhong)(zhong)規(gui)格(ge)(ge)、材質(zhi)的(de)(de)(de)各類無(wu)縫管(guan)(guan)(guan)材任您選購(gou)。如果需(xu)要(yao)特殊品(pin)種(zhong)(zhong)管(guan)(guan)(guan)材,公(gong)(gong)司(si)(si)(si)沒有的(de)(de)(de)現貨可提前聯系,我們可直接向鋼(gang)(gang)(gang)(gang)廠(chang)訂貨,并(bing)以(yi)(yi)(yi)(yi)的(de)(de)(de)速度(du)(du)(du)和優(you)惠的(de)(de)(de)價(jia)格(ge)(ge)交貨。 公(gong)(gong)司(si)(si)(si)以(yi)(yi)(yi)(yi)科學(xue)創(chuang)新,做專精特產(chan)(chan)(chan)品(pin)服務社會,始終遵循(xun)“人誠(cheng)品(pin)優(you)”的(de)(de)(de)市場經(jing)濟原則,以(yi)(yi)(yi)(yi)優(you)質(zhi)、誠(cheng)信永保(bao)競爭力(li)為目(mu)標,狠(hen)抓質(zhi)量(liang)(liang)管(guan)(guan)(guan)理,科學(xue)管(guan)(guan)(guan)理工作(zuo),廣聘英(ying)才,不(bu)(bu)斷(duan)更新設備,不(bu)(bu)斷(duan)超越自我,有力(li)促(cu)進(jin)了(le)生產(chan)(chan)(chan)經(jing)營(ying)工作(zuo)的(de)(de)(de)迅猛發展。隨著設備的(de)(de)(de)不(bu)(bu)斷(duan)更新,產(chan)(chan)(chan)品(pin)不(bu)(bu)斷(duan)創(chuang)新,產(chan)(chan)(chan)量(liang)(liang)逐年遞增,質(zhi)量(liang)(liang)穩(wen)定提高,產(chan)(chan)(chan)值利稅實(shi)(shi)現了(le)快速同步(bu)增長,經(jing)濟效益(yi)、社會效益(yi)、企(qi)業(ye)知名度(du)(du)(du)大(da)幅度(du)(du)(du)飚升。 

精(jing)密(mi)鋼(gang)管(guan)是(shi)一種(zhong)通(tong)過冷拔或熱軋處理后(hou)的(de)一種(zhong)高精(jing)密(mi)的(de)鋼(gang)管(guan)材料。由于(yu)精(jing)密(mi)鋼(gang)管(guan)內外壁無(wu)(wu)(wu)氧化層、承(cheng)受高壓無(wu)(wu)(wu)泄漏(lou)、高精(jing)度(du)、高光潔度(du)、冷彎不變形、擴口、壓扁無(wu)(wu)(wu)裂縫(feng)等優點,所(suo)以主要用(yong)來(lai)生產氣(qi)動或液壓 元件(jian)的(de)產品,如氣(qi)缸(gang)(gang)或油缸(gang)(gang),可(ke)以是(shi)無(wu)(wu)(wu)縫(feng)管(guan),也(ye)有焊接管(guan)。

1、無縫(feng)鋼管主要特點是無焊接縫(feng),可(ke)承受較大的壓力。產品可(ke)以是很粗糙的鑄態或(huo)冷撥(bo)件。

2、精密鋼管是近幾(ji)年出現的產品,主要是內孔(kong)、外壁尺寸(cun)有(you)嚴格的公差及粗糙度。

特點編輯

1.外徑更小。

2.精(jing)度(du)高(gao)可做小批量(liang)生。

3.冷拔成品精度高,表面(mian)質(zhi)量(liang)好。

4.鋼管橫面(mian)積更復雜。

5.鋼管性能更優越(yue),金屬(shu)比較密。

3.冷(leng)拔成品精度(du)高,表面(mian)質量好(hao)。

4.鋼管(guan)橫面積更復雜(za)。

5.鋼管(guan)性(xing)能更優越(yue),金(jin)屬比較(jiao)密(mi)。

精密鋼管計算公式(shi)::[(外徑-壁厚)*壁厚]*0.02466=kg/米

真(zhen)空淬(cui)(cui)(cui)(cui)火(huo)(huo)真(zhen)空淬(cui)(cui)(cui)(cui)火(huo)(huo)爐(lu)按冷(leng)(leng)(leng)卻方法分為油(you)(you)(you)(you)(you)淬(cui)(cui)(cui)(cui)和(he)氣(qi)(qi)(qi)淬(cui)(cui)(cui)(cui)兩(liang)類,按工(gong)(gong)(gong)位(wei)數分為單(dan)室(shi)(shi)(shi)(shi)式(shi)(shi)(shi)和(he)雙(shuang)室(shi)(shi)(shi)(shi)式(shi)(shi)(shi),904山\畏(wei)嘲均屬(shu)周期式(shi)(shi)(shi)作(zuo)(zuo)業(ye)爐(lu)。真(zhen)空油(you)(you)(you)(you)(you)淬(cui)(cui)(cui)(cui)爐(lu)都是雙(shuang)室(shi)(shi)(shi)(shi)的(de)(de)(de),后室(shi)(shi)(shi)(shi)置電加熱元件,前室(shi)(shi)(shi)(shi)的(de)(de)(de)下方置油(you)(you)(you)(you)(you)槽。工(gong)(gong)(gong)件完(wan)成(cheng)加熱、保(bao)溫后移入前室(shi)(shi)(shi)(shi),關(guan)閉(bi)中(zhong)門(men)后向前室(shi)(shi)(shi)(shi)充入惰(duo)性(xing)氣(qi)(qi)(qi)至大(da)約2.66%26times;lO ~1.01%26times;10 Pa(200~760mm汞柱),入油(you)(you)(you)(you)(you)。油(you)(you)(you)(you)(you)淬(cui)(cui)(cui)(cui)易引起工(gong)(gong)(gong)件表面變(bian)(bian)質(zhi)(zhi)。由于(yu)(yu)表面活性(xing)大(da),在(zai)(zai)短暫的(de)(de)(de)高(gao)溫油(you)(you)(you)(you)(you)膜(mo)作(zuo)(zuo)用下即可發(fa)生(sheng)顯(xian)著(zhu)薄層滲碳(tan)(tan),此外(wai),碳(tan)(tan)黑和(he)油(you)(you)(you)(you)(you)在(zai)(zai)表面的(de)(de)(de)粘附對簡化(hua)熱處(chu)(chu)理(li)流(liu)程很(hen)不(bu)利。真(zhen)空淬(cui)(cui)(cui)(cui)火(huo)(huo)技術的(de)(de)(de)發(fa)展主(zhu)要(yao)在(zai)(zai)于(yu)(yu)研制性(xing)能(neng)優(you)良、工(gong)(gong)(gong)位(wei)單(dan)一(yi)的(de)(de)(de)氣(qi)(qi)(qi)冷(leng)(leng)(leng)淬(cui)(cui)(cui)(cui)火(huo)(huo)爐(lu)。前述(shu)雙(shuang)室(shi)(shi)(shi)(shi)式(shi)(shi)(shi)爐(lu)亦可用于(yu)(yu)氣(qi)(qi)(qi)淬(cui)(cui)(cui)(cui)(在(zai)(zai)前室(shi)(shi)(shi)(shi)噴(pen)(pen)氣(qi)(qi)(qi)冷(leng)(leng)(leng)卻),但雙(shuang)工(gong)(gong)(gong)位(wei)式(shi)(shi)(shi)的(de)(de)(de)操作(zuo)(zuo)使(shi)大(da)批量(liang)裝爐(lu)的(de)(de)(de)生(sheng)產(chan)發(fa)生(sheng)困(kun)難(nan),也易在(zai)(zai)高(gao)溫移動(dong)中(zhong)引起工(gong)(gong)(gong)件變(bian)(bian)形或(huo)改(gai)變(bian)(bian)工(gong)(gong)(gong)件方位(wei)增(zeng)加淬(cui)(cui)(cui)(cui)火(huo)(huo)變(bian)(bian)形。單(dan)一(yi)工(gong)(gong)(gong)位(wei)的(de)(de)(de)氣(qi)(qi)(qi)冷(leng)(leng)(leng)淬(cui)(cui)(cui)(cui)火(huo)(huo)爐(lu)是在(zai)(zai)加熱保(bao)溫完(wan)成(cheng)后在(zai)(zai)加熱室(shi)(shi)(shi)(shi)內噴(pen)(pen)氣(qi)(qi)(qi)冷(leng)(leng)(leng)卻。氣(qi)(qi)(qi)冷(leng)(leng)(leng)的(de)(de)(de)冷(leng)(leng)(leng)速不(bu)如(ru)油(you)(you)(you)(you)(you)冷(leng)(leng)(leng)快,也低于(yu)(yu)傳統淬(cui)(cui)(cui)(cui)火(huo)(huo)法中(zhong)的(de)(de)(de)熔鹽等溫、分級淬(cui)(cui)(cui)(cui)火(huo)(huo)。因(yin)而,不(bu)斷(duan)提高(gao)噴(pen)(pen)冷(leng)(leng)(leng)室(shi)(shi)(shi)(shi)壓(ya)(ya)力(li)(li),增(zeng)大(da)流(liu)量(liang),以(yi)及采用摩爾質(zhi)(zhi)量(liang)比氮和(he)氬(ya)小的(de)(de)(de)惰(duo)性(xing)氣(qi)(qi)(qi)體氦和(he)氫,是當今(jin)真(zhen)空淬(cui)(cui)(cui)(cui)火(huo)(huo)技術發(fa)展的(de)(de)(de)主(zhu)流(liu)。70年(nian)(nian)代后期將氮氣(qi)(qi)(qi)噴(pen)(pen)冷(leng)(leng)(leng)的(de)(de)(de)壓(ya)(ya)力(li)(li)從(1~2)%26times;10Pa提高(gao)到(5~6)%26times;10Pa,使(shi)冷(leng)(leng)(leng)卻能(neng)力(li)(li)接近(jin)于(yu)(yu)常壓(ya)(ya)下的(de)(de)(de)油(you)(you)(you)(you)(you)冷(leng)(leng)(leng)。80年(nian)(nian)代中(zhong)期出現超高(gao)壓(ya)(ya)氣(qi)(qi)(qi)淬(cui)(cui)(cui)(cui),用(10~20)%26times;10Pa的(de)(de)(de)氦,冷(leng)(leng)(leng)卻能(neng)力(li)(li)等于(yu)(yu)或(huo)略高(gao)于(yu)(yu)油(you)(you)(you)(you)(you)淬(cui)(cui)(cui)(cui),已進入工(gong)(gong)(gong)業(ye)實用。90年(nian)(nian)代初采用40%26times;10Pa的(de)(de)(de)氫氣(qi)(qi)(qi),接近(jin)水(shui)淬(cui)(cui)(cui)(cui)的(de)(de)(de)冷(leng)(leng)(leng)卻能(neng)力(li)(li),尚(shang)(shang)處(chu)(chu)于(yu)(yu)起步階段。工(gong)(gong)(gong)業(ye)發(fa)達國(guo)家已進展到以(yi)高(gao)壓(ya)(ya)(5~6)%26times;10。Pa氣(qi)(qi)(qi)淬(cui)(cui)(cui)(cui)為主(zhu)體,而中(zhong)國(guo)產(chan)氣(qi)(qi)(qi)淬(cui)(cui)(cui)(cui)一(yi)些金(jin)屬(shu)的(de)(de)(de)蒸氣(qi)(qi)(qi)壓(ya)(ya)(理(li)論值)與溫度的(de)(de)(de)關(guan)系則尚(shang)(shang)處(chu)(chu)于(yu)(yu)一(yi)般(ban)加壓(ya)(ya)氣(qi)(qi)(qi)淬(cui)(cui)(cui)(cui)(2%26times;10Pa)型階段。